Minamoto Yoritomo

Minamoto no Yoritomo (9 May 1147-9 February 1199) was the daimyo of the Kamakura Minamoto clan. He was responsible for unifying Japan under the Kamakura Shogunate, and was the first Shogun, taking power in 1192 and getting rid of most of the opposition to Minamoto rule by the time of his death in the Genpei War.

Biography
Yoritomo was the third son of Minamoto Yoshitomo and after the 1156 Hogen Rebellion, he was the heir of the Kamakura Minamoto branch after the Minamoto family split into Kamakura and Kiso Minamoto. In 1160, when his father was killed after the Heiji Rebellion, Yoritomo became the daimyo of the Kamakura.

He was a resourcesful man who had only his brother Minamoto Noriyori at his side to assist him in keeping the family alive. In 1175 they went on campaign against the Edo and he captured the city of Edo, taking over from Harusada. He made an alliance with the Takeda and the Kiso Minamoto and made sure to establish trade agreements to bolster the trade income, which would in turn supply a large standing army that could extend Kamakura Minamoto rule.